:root {
  --lp-navy: #082f63;
  --lp-green: #0b804b;
  --lp-green-dark: #075f39;
  --lp-ink: #12243c;
  --lp-muted: #50617a;
  --lp-line: #dce5ef;
  --lp-surface: #f7fafc;
  --lp-radius: 18px;
  --lp-shadow: 0 12px 32px rgba(16, 47, 87, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--lp-ink); background: #fff; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.lp-shell { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.lp-section { padding: 88px 0; }
.lp-section--soft { background: var(--lp-surface); }
.lp-eyebrow { margin: 0 0 8px; color: var(--lp-green); font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
.lp-title { margin: 0; color: var(--lp-navy); font-size: clamp(1.75rem, 3vw, 2.45rem); line-height: 1.35; text-align: center; }
.lp-title::after { display: block; width: 56px; height: 3px; margin: 16px auto 0; background: var(--lp-green); border-radius: 999px; content: ""; }
.lp-lead { max-width: 760px; margin: 20px auto 0; color: var(--lp-muted); text-align: center; }

.lp-header { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--lp-line); backdrop-filter: blur(10px); }
.lp-header__inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 20px; }
.lp-brand { color: var(--lp-navy); font-size: 1.3rem; font-weight: 900; letter-spacing: .07em; }
.lp-brand small { display: block; color: var(--lp-green); font-size: .63rem; letter-spacing: .03em; }
.lp-nav { display: flex; align-items: center; gap: 20px; font-size: .88rem; font-weight: 700; }

.lp-hero { position: relative; overflow: hidden; background: linear-gradient(105deg, #f4fbf8 0%, #e8f4ef 52%, #eaf3fb 100%); }
.lp-hero__inner { display: grid; min-height: 510px; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); align-items: center; gap: 48px; padding: 66px 0; }
.lp-hero__title { max-width: 650px; margin: 0; color: var(--lp-navy); font-size: clamp(2.35rem, 5vw, 4.5rem); line-height: 1.2; letter-spacing: .015em; }
.lp-hero__title em { color: var(--lp-green); font-style: normal; }
.lp-hero__copy { max-width: 610px; margin: 22px 0 0; font-size: 1.06rem; font-weight: 600; }
.lp-hero__image { min-height: 360px; overflow: hidden; border-radius: var(--lp-radius); box-shadow: var(--lp-shadow); }
.lp-hero__image img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 12px; padding: 12px 24px; border: 1px solid transparent; border-radius: 7px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: #fff; background: var(--lp-green); }
.button--primary:hover { background: var(--lp-green-dark); }
.button--outline { color: var(--lp-navy); background: #fff; border-color: var(--lp-navy); }

.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 40px; }
.card { height: 100%; padding: 28px 22px; background: #fff; border: 1px solid var(--lp-line); border-radius: 12px; box-shadow: 0 6px 20px rgba(16, 47, 87, .05); }
.card__icon { display: grid; width: 52px; height: 52px; place-items: center; margin-bottom: 16px; color: var(--lp-green); background: #eaf7f0; border-radius: 50%; font-size: 1.45rem; font-weight: 900; }
.card h3 { margin: 0; color: var(--lp-navy); font-size: 1.06rem; line-height: 1.5; }
.card p { margin: 10px 0 0; color: var(--lp-muted); font-size: .9rem; line-height: 1.7; }

.item-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-top: 38px; }
.item-card { padding: 12px; text-align: center; }
.item-card img { width: 100%; aspect-ratio: 1.15; object-fit: cover; border-radius: 10px; }
.item-card h3 { margin: 12px 0 0; color: var(--lp-navy); font-size: 1rem; }
.item-card p { margin: 3px 0 0; color: var(--lp-muted); font-size: .78rem; line-height: 1.55; }

.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.process-card { position: relative; min-height: 226px; padding: 30px 22px 22px; background: #fff; border: 1px solid var(--lp-line); border-radius: 12px; text-align: center; }
.process-card:not(:last-child)::after { position: absolute; top: 50%; right: -24px; z-index: 1; width: 16px; height: 16px; background: var(--lp-green); clip-path: polygon(0 0, 100% 50%, 0 100%); content: ""; transform: translateY(-50%); }
.process-card__number { display: grid; width: 42px; height: 42px; place-items: center; margin: 0 auto 12px; color: #fff; background: var(--lp-green); border-radius: 50%; font-size: .85rem; font-weight: 900; }
.process-card h3 { margin: 0; color: var(--lp-navy); font-size: 1.02rem; }
.process-card p { margin: 9px 0 0; color: var(--lp-muted); font-size: .86rem; line-height: 1.65; }

.faq-list { max-width: 900px; margin: 38px auto 0; border-top: 1px solid var(--lp-line); }
.faq-item { border-bottom: 1px solid var(--lp-line); }
.faq-button { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 4px; color: var(--lp-navy); background: none; border: 0; font: inherit; font-weight: 800; text-align: left; cursor: pointer; }
.faq-button::after { flex: 0 0 auto; color: var(--lp-green); content: "+"; font-size: 1.4rem; font-weight: 400; }
.faq-button[aria-expanded="true"]::after { content: "−"; }
.faq-answer { display: none; padding: 0 4px 20px; color: var(--lp-muted); }
.faq-answer.is-open { display: block; }

.lp-cta { padding: 52px 0; color: #fff; background: linear-gradient(110deg, var(--lp-navy), #135e46); }
.lp-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.lp-cta h2 { margin: 0; font-size: clamp(1.4rem, 2.5vw, 2rem); line-height: 1.45; }
.lp-cta p { margin: 8px 0 0; color: rgba(255, 255, 255, .84); }
.lp-cta .button--outline { border-color: #fff; }
.lp-footer { padding: 28px 0; color: var(--lp-muted); background: #f5f7f9; font-size: .82rem; text-align: center; }

@media (max-width: 900px) {
  .lp-nav { display: none; }
  .lp-hero__inner { grid-template-columns: 1fr; gap: 28px; }
  .lp-hero__image, .lp-hero__image img { min-height: 280px; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .item-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-card:nth-child(2)::after { display: none; }
  .lp-cta__inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .lp-shell { width: min(100% - 32px, 1120px); }
  .lp-section { padding: 60px 0; }
  .lp-header__inner { min-height: 64px; }
  .lp-hero__inner { min-height: auto; padding: 52px 0; }
  .lp-hero__title { font-size: 2.15rem; }
  .lp-hero__image, .lp-hero__image img { min-height: 230px; }
  .cta-row .button { width: 100%; }
  .card-grid, .process-grid { grid-template-columns: 1fr; }
  .item-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-card { min-height: auto; }
  .process-card::after { display: none; }
}